• Case dimensions 22% smaller than conventional models
• Extra-long stroke even without levers
(OT: 1.4 mm)
• All models are lead-free, including lead wire models
• RoHS Compliant
Ordering Information
Add “S” to the end of the model number for the UL/CSA-approved version. Consult your OMRON sales representative for details.
■
PCB-Mounted Models
Actuator
Terminals
Contact form
Model
With posts on right
With posts on left
Without posts
Pin plunger
Hinge lever
For PCB
Straight
Angled
Straight
Angled
SPDT
---
D2HW-BR201DR
---
D2HW-BR211DR
---
D2HW-BR221DR
---
D2HW-BR231DR
---
D2HW-BL201DL
---
D2HW-BL211DL
---
D2HW-BL221DL
---
D2HW-BL231DL
D2HW-A201D
---
D2HW-A211D
---
D2HW-A221D
---
D2HW-A231D
---
Long hinge
lever
Straight
Angled
Simulated roller
lever
Straight
Angled
■
Models with Solder Terminals or Lead Wire Terminals
Actuator
Terminals
Contact form
Model
With posts on right
With posts on left
M3-screw mounting
Pin plunger
Solder
Lead wire
Downwards
SPDT
SPDT
SPST-NC
SPST-NO
D2HW-BR201H
D2HW-BR201M
D2HW-BR202M
D2HW-BR203M
D2HW-BL201H
D2HW-BL201M
D2HW-BL202M
D2HW-BL203M
D2HW-C201H
D2HW-C201M
D2HW-C202M
D2HW-C203M
(This table continues on the next page.)
Sealed Subminiature Snap Action Switch
D2HW
181
Ordering Information
Actuator
-
continued from previous page
Contact form
Model
With posts on right
With posts on left M3-screw mounting
Terminals
Pin plunger
Lead wire
Right-side
Left-side
SPST-NC
SPST-NO
SPST-NC
SPST-NO
SPDT
D2HW-BR202MR
D2HW-BR203MR
D2HW-BR202ML
D2HW-BR203ML
D2HW-BR211H
D2HW-BR211M
D2HW-BR212M
D2HW-BR213M
D2HW-BR212MR
D2HW-BR213MR
D2HW-BR212ML
D2HW-BR213ML
D2HW-BR221H
D2HW-BR221M
D2HW-BR222M
D2HW-BR223M
D2HW-BR222MR
D2HW-BR223MR
D2HW-BR222ML
D2HW-BR223ML
D2HW-BR231H
D2HW-BR231M
D2HW-BR232M
D2HW-BR233M
D2HW-BR232MR
D2HW-BR233MR
D2HW-BR232ML
D2HW-BR233ML
D2HW-BR241H
D2HW-BR241M
D2HW-BR242M
D2HW-BR243M
D2HW-BR242MR
D2HW-BR243MR
D2HW-BR242ML
D2HW-BR243ML
D2HW-BR261H
D2HW-BR261M
D2HW-BR262M
D2HW-BR263M
D2HW-BR262MR
D2HW-BR263MR
D2HW-BR262ML
D2HW-BR263ML
D2HW-BL202MR D2HW-C202MR
D2HW-BL203MR D2HW-C203MR
D2HW-BL202ML —
D2HW-BL203ML —
D2HW-BL211H
D2HW-BL211M
D2HW-BL212M
D2HW-BL213M
D2HW-C211H
D2HW-C211M
D2HW-C212M
D2HW-C213M
Hinge lever
Solder
Lead wire
Downwards
SPDT
SPST-NC
SPST-NO
Right-side
Left-side
Long hinge
lever
Solder
Lead wire
Downwards
SPST-NC
SPST-NO
SPST-NC
SPST-NO
SPDT
SPDT
SPST-NC
SPST-NO
D2HW-BL212MR D2HW-C212MR
D2HW-BL213MR D2HW-C213MR
D2HW-BL212ML —
D2HW-BL213ML —
D2HW-BL221H
D2HW-BL221M
D2HW-BL222M
D2HW-BL223M
D2HW-C221H
D2HW-C221M
D2HW-C222M
D2HW-C223M
Right-side
Left-side
Simulated roller Solder
hinge lever
Lead wire
SPST-NC
SPST-NO
SPST-NC
SPST-NO
SPDT
D2HW-BL222MR D2HW-C222MR
D2HW-BL223MR D2HW-C223MR
D2HW-BL222ML —
D2HW-BL223ML —
D2HW-BL231H
D2HW-BL231M
D2HW-BL232M
D2HW-BL233M
D2HW-C231H
D2HW-C231M
D2HW-C232M
D2HW-C233M
Downwards
SPDT
SPST-NC
SPST-NO
Right-side
Left-side
Hinge roller lever Solder
Lead wire
Downwards
SPST-NC
SPST-NO
SPST-NC
SPST-NO
SPDT
SPDT
SPST-NC
SPST-NO
D2HW-BL232MR D2HW-C232MR
D2HW-BL233MR D2HW-C233MR
D2HW-BL232ML
D2HW-BL233ML
D2HW-BL241H
D2HW-BL241M
D2HW-BL242M
D2HW-BL243M
—
—
D2HW-C241H
D2HW-C241M
D2HW-C242M
D2HW-C243M
Right-side
Left-side
Leaf lever
Solder
Lead wire
Downwards
SPST-NC
SPST-NO
SPST-NC
SPST-NO
SPDT
SPDT
SPST-NC
SPST-NO
D2HW-BL242MR D2HW-C242MR
D2HW-BL243MR D2HW-C243MR
D2HW-BL242ML ---
D2HW-BL243ML ---
D2HW-BL261H
D2HW-BL261M
D2HW-BL262M
D2HW-BL263M
D2HW-C261H
D2HW-C261M
D2HW-C262M
D2HW-C263M
Right-side
Left-side
SPST-NC
SPST-NO
SPST-NC
SPST-NO
D2HW-BL262MR D2HW-C262MR
D2HW-BL263MR D2HW-C263MR
D2HW-BL262ML
D2HW-BL263ML
—
—
Add “S” to the end of the model number for the UL/CSA-approved version. Consult your OMRON sales representative for details.
(This table continues on the next page.)
182
Sealed Subminiature Snap Action Switch
D2HW
Ordering Information
Actuator
-
continued from previous page
Contact form
Model
With posts on right With posts on left
M3-screw mounting
Terminals
Simulated roller
leaf lever
Solder
Lead wire
Downwards
SPDT
SPDT
SPST-NC
SPST-NO
Right-side
Left-side
SPST-NC
SPST-NO
SPST-NC
SPST-NO
SPDT
SPST-NC
SPST-NO
SPST-NC
SPST-NO
D2HW-BR271H
D2HW-BR271M
D2HW-BR272M
D2HW-BR273M
D2HW-BR272MR
D2HW-BR273MR
D2HW-BR272ML
D2HW-BR273ML
D2HW-BR281M
D2HW-BR282M
D2HW-BR283M
—
—
D2HW-BL271H
D2HW-BL271M
D2HW-BL272M
D2HW-BL273M
D2HW-BL272MR
D2HW-BL273MR
D2HW-BL272ML
D2HW-BL273ML
D2HW-BL281M
D2HW-BL282M
D2HW-BL283M
—
—
D2HW-C271H
D2HW-C271M
D2HW-C272M
D2HW-C273M
D2HW-C272MR
D2HW-C273MR
—
—
D2HW-C281M
D2HW-C282M
D2HW-C283M
D2HW-C282MR
D2HW-C283MR
Long leaf lever
Lead wire
Downwards
Right-side
Note: 1.
The length of standard lead wires (AVSS 0.5 = standard with UL1007 AWG 24 used on UL/CSA models.) for lead wire models is 30 cm (12 in).
2.
Add “S” to the end of the model number for the UL/CSA-approved version. Consult your OMRON sales representative for details.
Specifications
■
Characteristics
Item
Operating speed
Operating frequency
Insulation resistance
Contact resistance
(initial value)
Dielectric strength
Specification
1 mm to 500 mm/s (for pin plunger models)
30 operations/min.
100 MΩ min. (at 500 VDC)
100 mΩ max. (lead wire models: 150 mΩ max.)
600 VAC, 50/60 Hz for 1 min. between terminals of the same polarity
1,500 VAC,50/60 Hz for 1 min. between current-carrying metal parts and ground, and between
each terminal and non-current-carrying metal parts
Malfunction: 10 to 55 Hz, 1.5-mm double amplitude
Destruction: 1,000 m/s
2
max.
Malfunction: 300 m/s
2
max.
Mechanical: 1,000,000 operations min. (30 operations/min.)
Electrical: 100,000 operations min. (20 operations/min.)
IP67 (excluding the terminals on terminal models)
Vibration resistance (See note 2)
Shock resistance (See note 2)
Life expectancy
(Consult Omron for test conditions)
Degree of protection
Degree of protection against electric
Class I
shock
Proof tracking index (PTI)
Ambient operating temperature
Ambient operating humidity
Weight
175
-40 to 85°C (with no icing)
95% max. (in temperature range 5° to 35°C)
Approx. 0.7 g (for pin plunger models with terminals)
Note: 1.
The data given above are initial values.
2.
For the pin plunger models, the above values apply for use at the free position, operating position, and total travel position. For the lever
models, they apply at the total travel position. The values shown apply for malfunctions of 1 ms max.
■
Ratings
Rated voltage (V)
125 VAC
12 VDC
24 VDC
42 VDC
Resistive load
0.1 A
2A
1A
0.5 A
Note:
The ratings apply under the following test conditions: Ambient Temperature = 20±2°C, Ambient Humidity = 65±5%, Operating frequency = 30 operations/min.
Sealed Subminiature Snap Action Switch
D2HW
183
■
Contact Form
SPDT
SPST-NC
(Lead Wire Models Only)
SPST-NO
(Lead Wire Models Only)
COM
NO
NC
(Black) (Blue) (Red)
Note:
Lead wire colors are indicated in parentheses.
COM
(Black)
NC
(Red)
COM
NO
(Black) (Blue)
■
Approved Standards
Consult your OMRON sales representative for specific models with
When debugging is paused, it shows No source available for "UtilsDelay() at D:/ccs\work_space\wlan_station\Release\wlan_station.out:{3} 0x20010ce2{4}" . The serial port debugging result is also wrong,...
How do you use forum resources to learn? I am currently working on a project. I designed and built the hardware system myself, but I have difficulty learning the programming of MSP430F149. Many basics...
[i=s] This post was last edited by wh8010jky on 2016-6-12 11:40 [/i] Can a 51 MCU control a 2803 to drive a stepper motor? What chip is best for driving a 4-wire stepper motor? The stepper motor is 57...
I would like to ask you, are there any materials on how to use STM32F103 as SPI slave? If the SPI is used as slave, can the SS pin be directly connected to ground? Is there any online programming mate...
I don't know if this post is appropriate to be posted here. If not, please delete it. What do you think of E6320 vs E6550? One has a main frequency of 1.86, and the other has a main frequency of 2.33....
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
Is pure electric vehicles a false proposition for long-distance driving? At least from my personal perspective, based on current technological and infrastructure standards, I believe so. Below, I'l...[Details]
Topics: Bring Your Own Device (BYOD) trends; the impact of using employees' own mobile devices to control access to work facilities and equipment on information security; and ways to securely imple...[Details]
Current Development Status of DVR Market
A DVR, or digital video recorder, uses a hard disk for recording, unlike traditional analog video recorders. It's often called a DVR because it's a com...[Details]
According to foreign media reports, secondary battery materials company POSCO Future M announced that it has successfully developed two experimental (prototype) positive electrode materials for the...[Details]
This paper proposes a temperature real-time transmission and display solution based on LED optical data transmission, with Jingwei Yager low-power FPGA HR (Yellow River) series as the main controll...[Details]
0 Introduction
With a rapidly aging population, a young couple is now required to care for an increasing number of elderly people, leading to a growing difficulty in providing care for them. E...[Details]
We know that the power output by the engine does not directly act on the wheels to drive the car, but needs to pass through a series of power transmission mechanisms. So how is the power transmitte...[Details]
Abstract: This design uses field-effect transistors to create a tube-like audio power amplifier. The preamplifier uses a single Class A transistor, while the power stage utilizes Class AB push-pull...[Details]
Oslo, Norway – August 18, 2025 – Nordic Semiconductor ("Nordic"), a leading global provider of low-power wireless technology, announced that it will participate in the International Internet of Thi...[Details]
Introduction
Telepresence offers the most natural video conferencing experience. You can hold a meeting simply by walking into a conference room or sitting at your desk, making it feel like y...[Details]
Robots need localization algorithms to determine their position. These algorithms typically work in conjunction with sensor data to calculate the robot's position. For engineers and researchers, fi...[Details]
Once the half-year data on power batteries came out, the situation became clearer.
According to the latest data from South Korean research firm SNE Research, global installed capacity of...[Details]
Wireless Connectivity
京公网安备 11010802033920号
EEWORLD
